package ooday01;
/**构造方法的演示*/
public class ConsDemo {
    public static void main(String[] args) {
        Student zs=new Student();//无参构造方法
        Student ls=new Student("李四",25);//调用两个参数构造方法
        Student ww=new Student("王五",26,"jsd2302","003");//调用四个参数的构造方法

        zs.sayHi();
        ls.sayHi();
        ww.sayHi();

    }
}
